Heated Oxygen Sensor -G39- WITH Oxygen Sensor Heater -Z19-, REMOVING AND INSTALLING: Installing

WARNING: This page is about a different car, the 2011 Audi Q7, 2010 Audi Q7, and 2009 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Note the following when installing:

NOTE:

New oxygen sensors are coated with assembly paste; the paste must not get into slots of oxygen sensor body.

For a used oxygen sensor, only coat threads with hot bolt paste. This paste must not come into contact with oxygen sensor slots. .

Always install the oxygen sensor wire in the same location so it does not come into contact with the exhaust pipe.

Tightening specifications. Refer to OVERVIEW - OXYGEN SENSORS AND EXHAUST TEMPERATURE CONTROL .